Home / 123,353.24-170,227.44-66,764.60

Finding the Fourth Proportional to 123,353.24, 170,227.44 and 66,764.60

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Solution

The fourth proportional to 123,353.24, 170,227.44 and 66,764.60 is: 92,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,353.24 : 170,227.44 = 66,764.60 : x
  2. Step 2: Convert to fraction form
    123,353.24/170,227.44 = 66,764.60/x
  3. Step 3: Cross multiply
    123,353.24x = 170,227.44 × 66,764.60
  4. Step 4: Simplify right side
    123,353.24x = 11,365,166,940.62
  5. Step 5: Solve for x
    x = 11,365,166,940.62/123,353.24
  6. Step 6: Final answer
    x = 92,135.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.